lateral area = 2 X pi X r X H
= 2 x 3.14 x 5 x 9 = 282.6
 
        
             
        
        
        
All you have to do is divide each one by its other number.  For example, 5.60 for 8 is the same as one for 0.70.  We accomplish this by dividing the 5.60 by 8.
So...
0.70
0.80
0.90
0.75
The first choice is the lowest.
        
             
        
        
        
Step-by-step explanation:
(b) If  then
 then
 
 
Note that  cancel out so we get
 cancel out so we get

Solving for  we get
 we get

(c) I'm not sure what the problem is asking for but here goes. As r doubles,  becomes
 becomes 

 
        
             
        
        
        
The discount was 48%. The original price was $28.00, but the new price was $14.60.
        
                    
             
        
        
        
Answer:
9
Step-by-step explanation:
he had 18 so he divide them by to so 18/2 9 so there 9 in each bunch